A、 In order to do the engine bleed system leak check use APU to pressurize the system and check if there are leaks in the sensing tube and these system components.
B、 The leak inspection of the engine bleed air system describes how to use APU to pressurize the system to inspect whether the sense lines and the system parts leak or not.
C、 The way to check the leakage of the senses pipes and the system components by compressing system using APU is described.
答案：B
A、 In order to do the engine bleed system leak check use APU to pressurize the system and check if there are leaks in the sensing tube and these system components.
B、 The leak inspection of the engine bleed air system describes how to use APU to pressurize the system to inspect whether the sense lines and the system parts leak or not.
C、 The way to check the leakage of the senses pipes and the system components by compressing system using APU is described.
答案：B
A. Retract the ram air turbine manually.
B. A The ram air turbine can be pushed to the retracted position manually.
C. Push the ram air turbine with your hands in the direction that the turbine retracted.
A. 防火密封是安装在动力装置上或动力装置周围的耐火隔断或耐火密封,目的是隔离着火区域。
B. 防火密封是根据着火类别而安装在动力装置或动力装置周围的耐火隔板或耐火密封件,以隔离着火区域。
C. 防火密封是指那些安装在动力装置或动力装置周围部件上的防火部件和密封材料,它们能在失火时隔离相关区域。
A. 如果一个代词能参考文本中的一个或多个名词,它会使句子产生异义。如果一个句子产生异义,参考原词更换代词。这将使读者更清楚易读。
B. 如果一个代词能指代文本中的一个或多个名词,它会使句子模棱两可。如果一个句子模棱两可,用它所指的词代替代词。这将使句子更清楚易读。
C. 如果一个代词能引申文本中的一个或多个名词,它会使句子晦涩难懂。如果遇到这样的情况,更换所引申的代词。这将使句子更清楚易读。
A. Use the rigging pin to lock the pulley.
B. Use the pulley to lock the rigging pin.
C. The rigging pin should be locked by the pulley.
A. Turn the knob clockwise to decrease the intensity of the light.
B. Turn the knob counterclockwise to decrease the Intensity of the light.
C. In order to turn the knob clockwise, decrease the intensity of the light.
A. 此安装程序是此类松紧装置类型的安装程序。
B. 此安装程序是此类紧固件的典型安装程序。
C. 此安装过程是此类紧固件的安装类型。
A. When the cross-feed system is open, it is possible for one fuel pump to supply fuel to the two engines
B. When the supplying system is open, it is possible for one fuel pump to supply fuel to the two engines.
C. One fuel pump can supply fuel to two engines, as the supplying system is open.
A. Don’t let the stresses inside the material exceed the elastic limit but permanent deformation will result.
B. Don’t let the stresses inside the material exceeding the elastic limit or else permanent deformation will result.
C. Don’t let the stresses inside the material exceed the elastic limit or else permanent deformation will result.
A. Removal of the cover is necessary
B. It is necessary to install the cover
C. lt is a must to remove the cover
A. 对配件进行颜色编码。
B. 用合适的颜色识别组件。
C. 给组件涂上正确的颜色。
